Category name is missing from ad history

[tmancey]

Description

Steps to Reproduce

1. View an ad notification

Actual result:

Category name is missing from Ad History

Expected result:

Category name should be shown on ad history

Reproduces how often:

Easily reproduced

Brave version (brave://version info)

Version/Channel Information:

• Can you reproduce this issue with the current release? No
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the dev channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? N/A
• Does the issue resolve itself when disabling Brave Rewards? N/A
• Is the issue reproducible on the latest version of Chrome? N/A

Miscellaneous Information:

[LaurenWags]

Verified passed with

Brave	1.7.85 Chromium: 80.0.3987.162 (Official Build) dev (64-bit)
Revision	f2c5dd6138153bb0658091205bd1a1717f16081a-refs/branch-heads/3987@{#1034}
OS	macOS Version 10.14.6 (Build 18G3020)

• Verified STR from description on clean profile

• Verified STR from description on an upgrade profile. Viewed an ad prior to upgrade and confirmed I could see the category name in Ad History. After upgrading to 1.7.x,
  • Confirmed ad history still shows category name for ads viewed prior to upgrade
  • Confirmed ad history shows category name for ads viewed after upgrading

Verification passed on

Brave	1.7.86 Chromium: 80.0.3987.163 (Official Build) (64-bit)
Revision	e7fbe071abe9328cdce4ffedac9822435fbd3656-refs/branch-heads/3987@{#1037}
OS	Windows 10 OS Version 1803 (Build 17134.1006)

• Verified STR from description on clean profile

• Verified STR from description on an upgrade profile. Viewed an ad prior to upgrade and confirmed I could see the category name in Ad History. After upgrading to 1.7.x,
  • Confirmed ad history still shows category name for ads viewed prior to upgrade
  • Confirmed ad history shows category name for ads viewed after upgrading

• Encountered Sites getting classified as untargeted #9013 (comment)

Verification passed on

Brave	1.7.86 Chromium: 80.0.3987.163 (Official Build) (64-bit)
Revision	e7fbe071abe9328cdce4ffedac9822435fbd3656-refs/branch-heads/3987@{#1037}
OS	Ubuntu 18.04 LTS

Verified test plan from the description